databases/py-sqlalchemy14: Update to 1.4.4

Changes:	https://docs.sqlalchemy.org/en/14/changelog/changelog_14.html

databases/py-sqlalchemy14/Makefile

 PORTNAME=	sqlalchemy
-PORTVERSION=	1.4.0b3
+PORTVERSION=	1.4.4
 CATEGORIES=	databases python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

databases/py-sqlalchemy14/distinfo

-TIMESTAMP = 1613478369
-SHA256 (SQLAlchemy-1.4.0b3.tar.gz) = e6b43b28d5d5cbf271ea6468c387b4c0a786bfd1d5f580be387b5b3e4355a7ca
-SIZE (SQLAlchemy-1.4.0b3.tar.gz) = 7377611
+TIMESTAMP = 1618320104
+SHA256 (SQLAlchemy-1.4.4.tar.gz) = 7ba9c00c129dbb4fd026a1f2c943188db59c802612e49bc9bded426d8eb14bc0
+SIZE (SQLAlchemy-1.4.4.tar.gz) = 7486363